890 WATER SUPPLY AND SEWAGE TREATMENT EQUIPMENT (NOT FOR AIR CONDITIONING, STEAM BOILER, OR LABORATORY REAGENT WATER) 89004 * Bar and Trash Screen Equipment and Parts 89005 * Belt Filter Press and Parts 89006 * Bioroughing Systems and Parts 89008 * Chlorination Equipment and Parts 89013 * Clarifiers and Settlers (Separators) 89015 * Complete Water Treatment Systems, Chemical 89016 * Complete Water Treatment Systems, Nonchemical: Ultraviolet Water Supply Sterilization, etc. 89019 * Delumper, Grinder, Crushers 89020 * Demineralizers: Reverse Osmosis, etc. 89027 * Incinerators and Parts, Sludge 89030 * Manhole Covers, Frames, Grates, Rings, Yokes, etc. 89035 * Metal Finders and Detectors, Pipe Locators, etc. 89040 * Meter Boxes and Valve Boxes (See 210-45 For Concrete Type) 89044 * Meters, Water 89045 * Meter Fittings, Water, Accessories, Parts, and Conversion Kits 89046 * Meter Reading Devices 89047 * Mixing and Agitation Equipment 89048 * Oil Skimming Equipment and Parts 89049 * Ozone and Oxygen Generating Equipment and Parts 89050 * Rings and Seals, Carbon (For Turbine Shafts) 89053 * Separation Equipment, Oil/Water 89064 * Sewer Inspection Equipment 89065 * Sewage and Waste Treating Equipment and Supplies 89066 * Sewer Lift Stations and Parts 89067 * Solvent (Chlorinated) Recovery System 89068 * Tags, Water Meter Removal 89072 * Tapping Machines and Equipment 89075 * Valve Operators (See 515-82 For Lawn Sprinkler Type) 89077 * Waste Water Reclamation Systems And Parts 89078 * Water Filters and Filter Elements (Except Boiler, Photographic Darkroom, and Swimming Pool): Cartridges, etc. 89080 * Water Leak Detection System (Including Chemicals, Dyes and Supplies) 89081 * Water Main Cleaning Equipment 89082 * Water Screens and Parts, Travelling 89085 * Water Softening Equipment, Ion Exchange Type 89089 * Well Pointing Systems, Accessories and Parts